Automobile bumper



flame 1%, 1923.

J; 5. DE MARTIN! ET AL AUTOMOBILE BUMPER Filed April 5, 1922 anon M o1:

Jaszp/z Slkflariini. John W lkflartini,

esrrir-rars eater JOSEPH: S. DE MARTINI AND JOHN W. DE MARTINI; OF SAN FRANCISCG, @AZEEQEHEA.

AUTOMOBILE BUBGTER. I I

Application filed April 3, 192% Serial 1%. 549,105.

To all whom it may concern: a f I Be it known that We, JOSEPH S. DE MAR- edges of said member to prevent tearing, TIN] and JoHN W. DE MAR'MNI, citizens of denting or scufiing any object struck by our the United States, residing at San Francisco. bumper. 5 in the county of San Francisco and State of The bumper is mounted on the front of member 2 and over the lower and upper @55- California, have-invented certain new and the automobile by means of the securing 40 useful Improvements in Automobile Bumpmembers 7 and 8 which are secured on the ers, of which the following is a specifica-tion. forward ends of the front springs 10 and 11 Our invention is an improved bumper for of. the automobile by straps 12 and 13 re- 1O automobiles which is constructed of a single spectively. The spring coils 3 and 4: efiecbar of spring steel shaped to give it the detively absorb'the shock of the impact of the sired resilience to effectively absorb the' bumper member 2 against an object and shocks of the impacts thereagainst and thus when released rebound back into shape and relieve the automobile of such shocks. bring the bumper. member back into its nor- 15- Reterring to the annexed drawing in Inal position.

which ourinvention is illustrated and which Having described our invention, We claim:

7 forms a part of this specification: A. bumper for a motor vehicle comprising Figure 3 1 is a plan View of our bumper a single bar of springmetal, said bar being attached to the forward part of 'an autocurved forwardly and bent into a spring coil 20 mobile. H at each side of the bumper, and connecting Figure 2 is a side View of our bumpen members extepding from the coils to the Figure 3. is a cross section of our bumper ends of the bar, said connecting members taken on line 3-3 of Fig. 1. being twisted approximately 90 near their In the drawihg 1 indicates a single bar of ends terminosecuring members, said con- 25 spring steel, bent into a forwardly convened necting members being curved from the coils bumper member- 2, into spiral spring coils 3 to the securing members and a strip of reand 4 from theends respectively of said silient material extending throughout the bumper member and into curved spring conlength oi the front portion of the bumper necting members 5 and 6 extending inwardly and nearly enclosing said portion.-

0 and rearwardly from said coils respectively, In testimony whereof We atlix our signaand twisted at their ends at right angles to tures. 3;; spring members into securing members 7 and 8. A strip of black rubber 9 is vul- JOSEPH S. DE MARTINL- canized to the forward side of the bumper JOHN W. DE MARTIIH. 

